pam_open_session − start PAM session management
int pam_open_session(pam_handle_t *pamh, int flags);
The pam_open_session function sets up a user session for a previously successful authenticated user. The session should later be terminated with a call to pam_close_session(3).
It should be noted that the effective uid, geteuid(2). of the application should be of sufficient privilege to perform such tasks as creating or mounting the user´s home directory for example.
The flags argument is the binary or of zero or more of the following values:
Do not emit any messages.
Memory buffer error.
Session was successful created.